ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,100, issued on May 13, was assigned to Arisaka LLC (Apex, N.C.).

"Firearm accessory configured for attachment to a rail system" was invented by William Roberson (Apex, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a firearm accessory with a clamping mechanism used to removably attach the firearm accessory to a rail system, such as a Picatinny rail. The clamping mechanism includes a pair of parallel engagement members and a reversibly extendable recoil lug, which is disposed within a guide groove in the firearm accessory. Additionally, the clamping mechanism includes a threaded fastener that is operatively connected to the recoil l...